Records of the Geological Survey of India, Volume 127, Part 4The Survey, 1995 - Earthquakes Vols. 1- include Report of the Geological Survey, 1867- ; v. 32- include Review of the mineral production of India, 1898/1903- ; v. 75 consists of Professional papers, no. 1-16; v. 76 consists of Bulletins of economic minerals. |
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Page iii
Geological Survey of India. FOREWORD The North Eastern Region presents a fascinating geological panorama with diverse geotectonic ... present at the base of the volcanic sequence above the Miri quartzite . The volcanics are represented by ...
Geological Survey of India. FOREWORD The North Eastern Region presents a fascinating geological panorama with diverse geotectonic ... present at the base of the volcanic sequence above the Miri quartzite . The volcanics are represented by ...
Page 61
... present day course . The Dhansiri river also shows development of contemporaneous terraces coeval with Brah- maputra Older Flood Plain . Geologically it consists of a cyclic sequence of unoxidised greyish sand , silt and clay . Paddy ...
... present day course . The Dhansiri river also shows development of contemporaneous terraces coeval with Brah- maputra Older Flood Plain . Geologically it consists of a cyclic sequence of unoxidised greyish sand , silt and clay . Paddy ...
Page 74
... present should be tested to determine the safe bearing capacity . Besides , undisturbed samples from the clay layers need to be analysed to determine the cohesion , unconfined compressive strength , moisture con- tent , dry density ...
... present should be tested to determine the safe bearing capacity . Besides , undisturbed samples from the clay layers need to be analysed to determine the cohesion , unconfined compressive strength , moisture con- tent , dry density ...
Contents
AssamMeghalaya TripuraMizoram and ManipurNagaland | 3 |
Geological Mapping TripuraMizoram | 23 |
Geological Mapping ManipurNagaland | 29 |
Copyright | |
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Common terms and phrases
Abor volcanics abutment Aizawl alignment amphibolite anomaly anticlines arenaceous argillaceous ARUNACHAL PRADESH Assam axial bands Barail Group bed rock Bhuban Formation block Bokabil bore holes boreholes Brahmaputra Buxa Formation Chandel districts channel chromite clay dam axis deposits depth Disang dolomite drilling East Siang East Siang district Engineering Geology excavated exposed faults field season fold geochemical geomorphological geotechnical gneiss grey Group of rocks harzburgite hill indicated investigation Jorhat limestone lithological lithounits located LUNGLEI DISTRICTS Manipur medium grained Meghalaya mineral mineralisation MIZORAM NAGALAND nala NE-SW Noa Dihing occur Older Alluvial Plain ophiolite pelagic sediments Phyllite power house Precambrian Project proposed quartz quartzite Quaternary regional right bank river Samchampi samples sandstone schist sequence shale shear Shergaon Shillong Shillong Group silt siltstone slope sq.km structures studies sulphides surface Surma Group synclines systematic geological mapping terrace Tertiary thick Tipam traverses Tripura tunnel ultramafic Umpyrtha area unconformably upto veins Yinkiong zone